Patents by Inventor Taizo Nishimoto
Taizo Nishimoto has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Publication number: 20230380678Abstract: An information processing device including a calculation unit that calculates an evaluation function using a visibility threshold of a test subject obtained by performing a visual acuity examination on the test subject and using a parameter related to a visual object, and a spectral transmittance optimization unit that optimizes a spectral transmittance of a filter having a spectral transmittance to light from the visual object using the evaluation function when passed through the filter.Type: ApplicationFiled: October 18, 2021Publication date: November 30, 2023Applicants: MITSUI CHEMICALS, INC., VISUAL TECHNOLOGY LABORATORY INC.Inventors: Daiki ITO, Taizo NISHIMOTO, Kenji SUZUKI, Shoko MATSUMURA, Noriaki ASADA, Yoshiki NAKAMURA, Minao YAMAMOTO
-
Publication number: 20230280513Abstract: An optical structure according to an embodiment of the present disclosure comprises: a first film for suppressing ultraviolet rays; and a second film having a transmission spectrum for which the wavelength having the smallest transmission rate is 570-605 nm. The first film is disposed at a position which is closer to a light source than the second film is.Type: ApplicationFiled: July 16, 2021Publication date: September 7, 2023Inventors: Taizo NISHIMOTO, Noriaki ASADA
-
Patent number: 11129523Abstract: An analysis unit determines at least two boundaries by determining; in a coordinate system indicating a correlation between a luminance contrast value between a luminance of an attention portion and a luminance of a background portion, and a luminance average value of a visual target including the attention portion and the background portion; the boundary between a region where a subject has a visibility and a region where the subject does not have the visibility for each combination of stimulus values of a color stimulus of a visual target.Type: GrantFiled: July 3, 2017Date of Patent: September 28, 2021Assignees: VISUAL TECHNOLOGY LABORATORY INC., MITSUI CHEMICALS, INC.Inventors: Yoshiki Nakamura, Sueko Kanaya, Noriaki Asada, Shoko Matsumura, Akinori Nagatomo, Taizo Nishimoto
-
Publication number: 20190239741Abstract: An analysis unit determines at least two boundaries by determining; in a coordinate system indicating a correlation between a luminance contrast value between a luminance of an attention portion and a luminance of a background portion, and a luminance average value of a visual target including the attention portion and the background portion; the boundary between a region where a subject has a visibility and a region where the subject does not have the visibility for each combination of stimulus values of a color stimulus of a visual target.Type: ApplicationFiled: July 3, 2017Publication date: August 8, 2019Applicants: VISUAL TECHNOLOGY LABORATORY INC., MITSUI CHEMICALS, INC.Inventors: Yoshiki NAKAMURA, Sueko KANAYA, Noriaki ASADA, Shoko MATSUMURA, Akinori NAGAMOTO, Taizo NISHIMOTO
-
Patent number: 9184372Abstract: A piezoelectric polymer material comprising a helical chiral polymer having a weight average molecular weight of from 50,000 to 1,000,000 and optical activity, the piezoelectric polymer material having: crystallinity as obtained by a DSC method of from 40% to 80%; a transmission haze with respect to visible light of 50% or less; and a product of the crystallinity and a standardized molecular orientation MORc, which is measured with a microwave transmission-type molecular orientation meter at a reference thickness of 50 ?m, of from 40 to 700.Type: GrantFiled: August 5, 2014Date of Patent: November 10, 2015Assignees: MITSUI CHEMICALS, INC., A SCHOOL CORPORATION KANSAI UNIVERSITYInventors: Mitsunobu Yoshida, Shunsuke Fujii, Hitoshi Onishi, Yoshiro Tajitsu, Taizo Nishimoto, Kazuhiro Tanimoto, Kenichi Goto
-
Publication number: 20140339724Abstract: A piezoelectric polymer material comprising a helical chiral polymer having a weight average molecular weight of from 50,000 to 1,000,000 and optical activity, the piezoelectric polymer material having: crystallinity as obtained by a DSC method of from 40% to 80%; a transmission haze with respect to visible light of 50% or less; and a product of the crystallinity and a standardized molecular orientation MORc, which is measured with a microwave transmission-type molecular orientation meter at a reference thickness of 50 ?m, of from 40 to 700.Type: ApplicationFiled: August 5, 2014Publication date: November 20, 2014Applicants: Mitsui Chemicals, Inc., A school Corporation Kansai UniversityInventors: Mitsunobu YOSHIDA, Shunsuke FUJII, Hitoshi ONISHI, Yoshiro TAJITSU, Taizo NISHIMOTO, Kazuhiro TANIMOTO, Kenichi GOTO
-
Patent number: 8829121Abstract: The invention provides a piezoelectric polymer material comprising a helical chiral polymer having a weight average molecular weight of from 50,000 to 1,000,000 and optical activity, the piezoelectric polymer material having: crystallinity as obtained by a DSC method of from 20% to 80%; a transmission haze with respect to visible light of 50% or less; and a product of the crystallinity and a standardized molecular orientation MORc, which is measured with a microwave transmission-type molecular orientation meter at a reference thickness of 50 ?m, of from 40 to 700.Type: GrantFiled: February 9, 2012Date of Patent: September 9, 2014Assignees: Mitsui Chemicals, Inc., A School Corporation Kansai UniversityInventors: Mitsunobu Yoshida, Shunsuke Fujii, Hitoshi Onishi, Yoshiro Tajitsu, Taizo Nishimoto, Kazuhiro Tanimoto, Kenichi Goto
-
Publication number: 20120132846Abstract: The invention provides a piezoelectric polymer material comprising a helical chiral polymer having a weight average molecular weight of from 50,000 to 1,000,000 and optical activity, the piezoelectric polymer material having: crystallinity as obtained by a DSC method of from 20% to 80%; a transmission haze with respect to visible light of 50% or less; and a product of the crystallinity and a standardized molecular orientation MORc, which is measured with a microwave transmission-type molecular orientation meter at a reference thickness of 50 ?m, of from 40 to 700.Type: ApplicationFiled: February 9, 2012Publication date: May 31, 2012Applicants: A school Corporation Kansai University, Mitsui Chemicals, Inc.Inventors: Mitsunobu YOSHIDA, Shunsuke Fujii, Hitoshi Onishi, Yoshiro Tajitsu, Taizo Nishimoto, Kazuhiro Tanimoto, Kenichi Goto
-
Publication number: 20100233415Abstract: The present invention is to provide an optical recording medium which is capable of performing good recording and reproducing by using a laser having a wavelength of 300 to 900 nm, a novel azo metal chelate compound, and a novel azo compound. Furthermore, the present invention is to provide an optical recording medium having an azo metal chelate compound in a recording layer.Type: ApplicationFiled: January 19, 2007Publication date: September 16, 2010Applicant: Mitsui Chemicals, Inc.Inventors: Taizo Nishimoto, Tsutomu Ishida, Kazuhiro Seino, Masataka Miyasato, Kenichi Fuji, Masao Imai, Eiichi Takahashi, Keiji Ueno, Hideo Usui, Yoshiaki Aso, Akira Ogiso, Rihoko Suzuki, Satoshi Kinoshita, Akihiro Kohsaka, Kenichi Kato, Takafumi Yoshida, Hiroyuki Sasaki, Yojiro Kumagae
-
Publication number: 20090098410Abstract: Disclosed is a trimethine dimer compound represented by the following general formula (I) and optical recording medium containing such a compound in a recording layer. (I)(In the formula, symbols are as in the description. When both Xa2 and Xb2 are imino groups, one of Xa1, Xb1, Xa3 and Xb3 is necessarily a 1-alkyl-1-benzylmethylene group which may have a substituent, a 1,1-dibenzylmethylene group which may have a substituent or a cycloalkane-1,1-diyl group having 3 to 6 carbon atoms which may have a substituent.Type: ApplicationFiled: May 16, 2006Publication date: April 16, 2009Applicant: Mitsui Chemicals, Inc.Inventors: Taizo Nishimoto, Eiichi Takahashi, Shunsuke Murayama, Yoshiaki Aso, Akira Ogiso, Akihiro Kohsaka, Takafumi Yoshida, Hiroyuki Sasaki, Kenichi Kato, Hiroshi Terao, Yojiro Kumagae
-
Publication number: 20070293666Abstract: An optical filter of the present invention contains at least one tetra-acenaphthoporphyrin compound. The tetra-acenaphthoporphyrin compound has preferably its absorption maximum in a wavelength range of from 530 to 570 nm and a ratio of an absorption coefficient at 550 nm to an absorption coefficient at 525 nm of not less than 1.2. Also, a percentage of light transmittance at 550 nm to light transmittance at 525 nm is preferably not more than 85%. According to the present invention, it is possible to provide the optical filter which can eliminate an unnecessary light mainly existing in a wavelength of from 520 to 700 nm and is excellent in durability. A display unit using the optical filter of the present invention can improve contrast in a bright place, and improve color purity of luminescent color.Type: ApplicationFiled: October 24, 2005Publication date: December 20, 2007Applicant: Mitsui Chemicals, Inc.Inventors: Hiromi Minami, Tomoyuki Okamura, Akifumi Kagayama, Rihoko Suzuki, Kenichi Fujii, Ryu Oi, Taizo Nishimoto, Makoto Morohashi, Tsutami Misawa, Shin Fukuda
-
Patent number: 7094516Abstract: An optical recording medium having an organic dye layer as a recording layer on a substrate, wherein at least one benzobisazole-based compound represented by a general formula (1) is contained in the recording layer: (wherein substituents X and Y each independently represent an aryl group or a heteroaryl group, rings A and B each independently represent an oxazole ring or a thiazole ring, and Q1 and Q2 each independently represent a hydrogen atom, a halogen atom or an alkyl group, with a proviso that, aryl group(s) or heteroaryl group(s) represented by the substituents X and Y each independently may be substituted by a halogen atom, a hydroxyl group, a cyano group, an amino group or a substituted or unsubstituted alkyl, aralkyl, aryl, alkenyl, alkoxy, aralkyloxy, aryloxy, alkenyloxy, alkylthio, aralkylthio, arylthio, alkenylthio, mono-substituted amino, di-substituted amino, acyl, alkoxycarbonyl, aralkyloxycarbonyl, aryloxycarbonyl, alkenyloxycarbonyl, mono-substituted aminocarbonyl, di-substituted aminocType: GrantFiled: January 5, 2001Date of Patent: August 22, 2006Assignee: Mitsui Chemicals, Inc.Inventors: Akira Ogiso, Shinobu Inoue, Hisashi Tsukahara, Taizo Nishimoto, Tsutami Misawa
-
Patent number: 6969764Abstract: An optical recording medium having a recording layer which contains at least one compound selected from the group consisting of mono-, di-, and triazaporphyrin compounds optionally in the form of a metal complex; or an optical recording medium comprising a substrate and formed thereon at least a recording layer containing an organic dye as a main component, characterized in that the organic dye has a first maximum value of absorption at a wavelength ?1 of 400 nm or less in the absorption spectrum and has a second maximum value of absorption at a longer-wavelength side than the ?1, and a wavelength band wherein the refractive index (n) and the absorption coefficient (k) of the above organic dye satisfy n?1.90 and 0.03?k?0.30.Type: GrantFiled: December 26, 2000Date of Patent: November 29, 2005Assignees: Mitsui Chemicals, Inc., Yamamoto Chemicals, Inc.Inventors: Akira Ogiso, Shinobu Inoue, Taizo Nishimoto, Hisashi Tsukahara, Tsutami Misawa, Tadashi Koike, Norihiko Mihara, Shunsuke Murayama, Ryousuke Nara
-
Patent number: 6965191Abstract: The display filter is constituted by laminating a transparent adhesive layer (C) 31 containing dye, a polymer film (B) 20, a transparent electrically conductive layer (D) 10, a transparent adhesive layer (E) 40, and a functional transparent layer (A) 60 having an anti-reflection property, a hard coat property, a gas barrier property, an antistatic property and an anti-fouling property sequentially in this order, adhered on a display area 00; on this occasion, the transparent electrically conductive layer (D) 10 is grounded to a ground terminal of the display via an electrode 50 and an electrically conductive copper foil adhesive tape 80.Type: GrantFiled: February 1, 2001Date of Patent: November 15, 2005Assignee: Mitsui Chemicals, Inc.Inventors: Katsuhiko Koike, Tomoyuki Okamura, Toshihisa Kitagawa, Hiroaki Saigo, Shin Fukuda, Fumiharu Yamazaki, Taizo Nishimoto, Tsutami Misawa
-
Publication number: 20050142322Abstract: An optical recording medium containing in the recording layer a dipyrromethene-metal chelate compound of which the initial principal weight loss temperature is thermogravimetrically from 330° C. through 500° C. inclusive, capable of high speed and high density recording and playback with a laser having a wavelength of 520 to 690 nm.Type: ApplicationFiled: March 27, 2003Publication date: June 30, 2005Applicants: Mitsui Chemicals, Inc., Yamamoto Chemicals, IncInventors: Taizo Nishimoto, Shinobu Inoue, Tsutami Misawa, Ryosuke Nara, Yuji Inatomi, Shunsuke Murayama, Tadashi Koike, Yasunori Saito, Shinichi Nakagawa
-
Publication number: 20030194646Abstract: An optical recording medium having a recording layer which contains at least one compound selected from the group consisting of mono-, di-, and triazaporphyrin compounds optionally in the form of a metal complex; or an optical recording medium comprising a substrate and formed thereon at least a recording layer containing an organic dye as a main component, characterized in that the organic dye has a first maximum value of absorption at a wavelength &lgr;1 of 400 nm or less in the absorption spectrum and has a second maximum value of absorption at a longer-wavelength side than the &lgr;1, and a wavelength band wherein the refractive index (n) and the absorption coefficient (k) of the above organic dye satisfy n≧1.90 and 0.03≦k≦0.30.Type: ApplicationFiled: June 28, 2002Publication date: October 16, 2003Inventors: Akira Ogiso, Shinobu Inoue, Taizo Nishimoto, Hisashi Tsukahara, Tsutami Misawa, Tadashi Koike, Norihiko Mihara, Shunsuke Murayama, Ryousuke Nara
-
Patent number: 6627288Abstract: A recordable optical recording medium of this invention capable of good recording and reproduction with a laser at wavelengths of 300 to 500 nm and/or 500 to 700 nm comprises at least one porphycene compounds optionally chelated with a metal in its recording layer.Type: GrantFiled: August 2, 2001Date of Patent: September 30, 2003Assignees: Mitsui Chemicals, Inc., Yamamoto Chemicals, Inc.Inventors: Akira Ogiso, Shinobu Inoue, Hisashi Tsukahara, Taizo Nishimoto, Tsutami Misawa, Tadashi Koike
-
Publication number: 20030156080Abstract: The display filter is constituted by laminating a transparent adhesive layer (C) 31 containing dye, a polymer film (B) 20, a transparent electrically conductive layer (D) 10, a transparent adhesive layer (E) 40, and a functional transparent layer (A) 60 having an anti-reflection property, a hard coat property, a gas barrier property, an antistatic property and an anti-fouling property sequentially in this order, adhered on a display area 00; on this occasion, the transparent electrically conductive layer (D) 10 is grounded to a ground terminal of the display via an electrode 50 and an electrically conductive copper foil adhesive tape 80.Type: ApplicationFiled: November 13, 2002Publication date: August 21, 2003Inventors: Katsuhiko Koike, Tomoyuki Okamura, Toshihisa Kitagawa, Hiroaki Saigo, Shin Fukuda, Fumiharu Yamazaki, Taizo Nishimoto, Tsutami Misawa
-
Publication number: 20030091931Abstract: An optical recording medium having an organic dye layer as a recording layer on a substrate, wherein at least one benzobisazole-based compound represented by a general formula (1) is contained in the recording layer: 1Type: ApplicationFiled: June 28, 2002Publication date: May 15, 2003Inventors: Akira Ogiso, Shinobu Inoue, Hisashi Tsukahara, Taizo Nishimoto, Tsutami Misawa
-
Patent number: 6479123Abstract: An optical recording medium comprising at least a recording layer and a reflecting layer on a substrate wherein the recording layer contains at least one dipyrromethene-metal chelate compound represented by general formula (1): wherein R1 to R6 independently represent hydrogen, halogen, nitro, cyano, hydroxyl, amino, carboxyl, sulfo, substituted or unsubstituted alkyl with up to 20 carbon atoms, alkoxy, alkylthio, aryloxy, arylthio, alkenyl, acyl, alkoxycarbonyl, carbamoyl, acylamino, aralkyl, aryl or heteroaryl; R7 represents halogen, aryl, heteroaryl, alkoxy, alkylthio, aryloxy or arylthio; A represents substituted or unsubstituted aromatic or heterocyclic ring with up to 20 carbon atoms; L1 represents substituted or unsubstituted bivalent residue forming a ring together with carbon atoms to which it attaches and optionally containing a hetero atom; and M1 represents transition metal element.Type: GrantFiled: February 27, 2001Date of Patent: November 12, 2002Assignees: Mitsui Chemicals, Inc., Yamamoto Chemicals, Inc.Inventors: Taizo Nishimoto, Hisashi Tsukahara, Shinobu Inoue, Akira Ogiso, Tsutami Misawa, Tadashi Koike